Author response image 1. Scatterplot shows the correlation between scored freeze duration (A) and scored freeze bouts (B) when minimum freezing bout duration is 1s and 0.

33 s. This behavioral data is derived from YFP mice undergoing predator exposure without laser manipulation (n=10). (C) Histogram shows the median freeze bout duration is 1.4 s and average bout duration is 2 s (n=682 freezes).